god bless the united states of america. thank you all very much. >> coming up, republican paul ryan tells our piers morgan how he would compare president obama to president clinton. and an obama insider reveals how the president likes to kick back in his most private moments. great shot. how did the nba become the hottest league on the planet? by building on the cisco intelligent network they're able to serve up live video, and instant replays, creating fans from berlin to beijing. what can we help you build? nice shot kid. the nba around the world built by the only company that could. cisco. >>> we're back here at the democratic national convention in charlotte, north carolina, getting ready to hear from the former president, bill clinton. the republican vice presidential nominee, paul ryan, has started invoking bill clinton's name when he attacks the president of the united states. our own piers morgan had a chance to interview paul ryan. it was a good interview. >> obviously they're trying to position president clinton a